AMD Phenom II X4 940 specifications The specs can be used for short-term listings on auction and classifieds sites
General information
Type CPU / Microprocessor Market segment Desktop Family AMD Phenom II X4
Model number ? 940
CPU part numbers HDZ940XCJ4DGI is an OEM/tray microprocessor HDZ940XCGIBOX is a boxed microprocessor with fan and heatsink Stepping codes AACSC AC CACVC AC CACZC AC
Frequency ? 3000 MHz
Bus speed ? 533 MHz Memory controller One 1800 MHz 16-bit HyperTransport link (3.6 GT/s)
Clock multiplier ? 15 Package 940-pin organic micro-PGA Sockets Socket AM2 Socket AM2+ Weight 1.4oz / 38.5g Introduction date Jan 8, 2009 Price at introduction $275
Architecture / Microarchitecture
Microarchitecture K10 Platform Dragon
Processor core ? Deneb
Core stepping ? RB-C2 CPUID 100F42 Manufacturing process 0.045 micron silicon-on-insulator (SOI) technology 758 million transistors
Die 258mm2 Data width 64 bit The number of CPU cores 4 The number of threads 4 Floating Point Unit Integrated
Level 1 cache size ? 4 x 64 KB 2-way set associative instruction caches 4 x 64 KB 2-way set associative data caches
Level 2 cache size ? 4 x 512 KB 16-way set associative exclusive caches Level 3 cache size Shared 6 MB 48-way set associative cache Cache latency 3 (L1 cache) Virtual memory 256 TB Multiprocessing Uniprocessor
Extensions and Technologies MMX instructions Extensions to MMX 3DNow! technology Extensions to 3DNow! SSE / Streaming SIMD Extensions SSE2 / Streaming SIMD Extensions 2 SSE3 / Streaming SIMD Extensions 3 SSE4a ? AMD64 / AMD 64-bit technology ? EVP / Enhanced Virus Protection ? AMD-V / AMD Virtualization technology
Low power features Cool'n'Quiet 3.0 CoolCore Technology ? Dual Dynamic Power Management ? Core C1 and C1E states Package S0, S1, S3, S4 and S5 states
Integrated peripherals / components
Integrated graphics None Memory controller The number of controllers: 1 Memory channels: 2 Channel width (bits): 72 Supported memory: DDR2-1066 DIMMs per channel: 2 Maximum memory bandwidth (GB/s): 17.1 Other peripherals HyperTransport 3 technology
Electrical / Thermal parameters
V core ? 1.225V - 1.425V V NorthBridge 1.15V - 1.3V
Maximum operating temperature ? 55°C - 62°C
Thermal Design Power ? 125 Watt (Socket AM2+/Socket AM3) 139.6 Watt (Socket AM2)
Notes on AMD Phenom II X4 940
The processor has unlocked clock multiplier On socket AM2+/AM3 platforms in the minimum performance state the processor runs at 800 MHz / 0.875 - 1.15 Volt core voltage, and has TDP 48.8 Watt On socket AM2 platforms in the minimum performance state the processor runs at 800 MHz / 1.15 Volt core voltage, and has TDP 77 Watt In pre-launch documents this CPU was referenced as Phenom X4 20550